55105667 has 4 divisors (see below), whose sum is σ = 56278176. Its totient is φ = 53933160.

The previous prime is 55105663. The next prime is 55105679. The reversal of 55105667 is 76650155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76650155 = 5 ⋅15330031.

It is a cyclic number.

It is not a de Polignac number, because 55105667 - 2² = 55105663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55105663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586184 + ... + 586277.

It is an arithmetic number, because the mean of its divisors is an integer number (14069544).

Almost surely, 2^55105667 is an apocalyptic number.

55105667 is a deficient number, since it is larger than the sum of its proper divisors (1172509).

55105667 is a wasteful number, since it uses less digits than its factorization.

55105667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172508.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 55105667 is about 7423.3191363433. The cubic root of 55105667 is about 380.5386336561.

The spelling of 55105667 in words is "fifty-five million, one hundred five thousand, six hundred sixty-seven".